package rabbitmq

import (
	"time"

	"clickandjoin.app/websocketserver/modules/config"
	gocnjhelper "git.clickandjoin.umbach.dev/ClickandJoin/go-cnj-helper"
	amqp "github.com/rabbitmq/amqp091-go"
)

const (
	exchangeWebsocketMessages = "cnj.websocketserver.messages"
	exchangeBroadcastMessages = "cnj.api.broadcast.messages"
)

var (
	WebsocketClient               *gocnjhelper.Client
	ApiBroadcastClient            *gocnjhelper.Client
	ConnectionAddress             string
	WebSocketChannelClosedChannel chan *amqp.Error // informs when the connection has been lost
)

func Init() {
	cfg := config.Cfg

	ConnectionAddress = gocnjhelper.GetConnectionString(cfg.RabbitMq.Username, cfg.RabbitMq.Password, cfg.RabbitMq.Host)

	/*
	 *  websocketserver messages
	 */
	WebsocketClient = gocnjhelper.NewClient(
		gocnjhelper.ExchangeSettings{
			Enabled:     true,
			Name:        exchangeWebsocketMessages,
			Type:        "direct",
			Durable:     true,
			AutoDeleted: false,
			Internal:    false,
			NoWait:      false,
			Arguments:   nil,
			ExchangePublishSettings: gocnjhelper.ExchangePublishSettings{
				Mandatory:   false,
				Immediate:   false,
				ContentType: gocnjhelper.ContentTypeJson,
			},
		},
		gocnjhelper.QueueSettings{},
		gocnjhelper.ChannelQosSettingsDefault,
		gocnjhelper.Config{
			ReconnectDelay: 1 * time.Second,
			ReInitDelay:    1 * time.Second,
			ResendDelay:    5 * time.Second,
		},
		ConnectionAddress)

	/*
	 * api broadcast messages
	 */

	ApiBroadcastClient = gocnjhelper.NewClient(
		gocnjhelper.ExchangeSettings{},
		gocnjhelper.QueueSettings{
			Enabled:          true,
			Name:             "",
			Durable:          false,
			DeleteWhenUnused: false,
			Exclusive:        true,
			NoWait:           false,
			Arguments:        nil,
			QueueBindSettings: gocnjhelper.QueueBindSettings{
				Enabled:    true,
				QueueName:  gocnjhelper.SetQueueNameToAutomaticallyAssignedQueueName,
				RoutingKey: "",
				Exchange:   exchangeBroadcastMessages,
				NoWait:     false,
				Arguments:  nil,
			},
		},
		gocnjhelper.ChannelQosSettingsDefault,
		gocnjhelper.Config{
			ReconnectDelay: 1 * time.Second,
			ReInitDelay:    1 * time.Second,
			ResendDelay:    5 * time.Second,
		},
		ConnectionAddress)

	// give the connection sometime to setup
	<-time.After(time.Second)

	/*
	 *  websocketserver messages
	 */
	WebSocketChannelClosedChannel = make(chan *amqp.Error, 1)
	WebsocketClient.Channel.NotifyClose(WebSocketChannelClosedChannel)

	/*
	 * api broadcast messages
	 */

	go ApiBroadcastMessagesHandling()
}